AI-generatedSan Fernando, La Union at a glance
- Best time
- Dec – Apr
- Warmest month
- Apr · 32°
- Warmest sea
- Jun · 30.1°
- Sunshine a year
- 2,300 h
- Rain a year
- 2,147 mm
- Climate
- Tropical
- Time zone
- UTC+8
- Elevation
- 9 m
Climate in San Fernando, La Union
San Fernando, La Union has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. April is the warmest month with average highs of 32 °C, while January is the coolest at 29 °C. With around 2,300 hours of sunshine a year, San Fernando, La Union is sunny; April is the sunniest month with 8.4 hours a day.
Holiday weather through the year
Best time to visit San Fernando, La Union
The best time to visit San Fernando, La Union is from December to April. For a beach holiday – sea from 21 °C, warm and mostly dry – go from December to April. The rainy season is from June to October; the wettest month is July with 456 mm.
San Fernando, La Union through the seasons
How the weather changes over the seasons, with averages for each.
San Fernando, La Union in the dry season
Nov – May
Excellent
- 29–32 °C by day
- Sea 28 °C
- 7.2 h of sun a day
- 68 rainy days in all
San Fernando, La Union in the rainy season
Jun – Oct
Good
- 29–31 °C by day
- Sea 30 °C
- 5.1 h of sun a day
- 124 rainy days in all
Which month for what?
Beach & swimming
Dec – Apr
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Rainy months
Jun – Oct
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in San Fernando, La Union for you.
Your best months: January – March
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: December – April
October is the peak of the typhoon season Hurricane season
Where to go in OctoberSea temperature in October
Keep in mindFrequent rainStorm season
A typical day in October
- Morning, 08:00: about 27°
- Midday, 13:00: about 30°
- Afternoon, 16:00: about 29°
- Evening, 20:00: about 27°
- Night, 23:00: about 26°
05:5117:38
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:37–06:20 · evening 17:09–17:51
- Blue hour
- Morning 05:29–05:37 · evening 17:51–18:00
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in San Fernando, La Union compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs stay at about 30° from start to end. The days get 0.4 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 30° | 30° |
| Night-time low | 24° | 24° |
| Sea | 29° | 29° |
| Daylight | 12.0 h | 11.6 h |
What is the weather like in San Fernando, La Union in October?
In October, San Fernando, La Union is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.3 °C – almost as warm as a bath. Expect around 6.0 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 234 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in San Fernando, La Union.
More details for October
- Daylight
- 11 h 47 min05:51 – 17:38
- UV index
- 10 · very highclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 16 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 14 days30 °C or moreAll months
- Time zone
- UTC+8offset from UTC
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %50 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Compare two months in San Fernando, La Union
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
March has the better holiday weather in San Fernando, La Union: score 95 against 70. Daytime highs are about the same. The sea is 2 °C cooler in March. March has 14 fewer rainy days. The sun shines 2 hours longer a day in March.
| Month | October | March |
|---|---|---|
| Holiday weather score | 70 | 95better |
| Daytime high | 30° | 30° |
| Night-time low | 24° | 23° |
| Sea | 29.3° | 27.8° |
| Sunshine | 6.0 h | 8.0 hbetter |
| Rainy days | 19 | 5better |
| Rainfall | 234 mm | 25 mmbetter |
| Muggy days | 31 | 31 |
Based on the climate averages 1996–2025.
San Fernando, La Union month by month
The typical weather for every month at a glance.
90January29° · Sea 27° · 7.0 h
In January, San Fernando, La Union is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 27.4 °C – lovely and warm for swimming. The sun shines for around 7.0 hours a day. Rain falls on about 6 days, adding up to 27 mm. The air is often humid and muggy. All in all, January is an excellent month for a holiday in San Fernando, La Union.
San Fernando, La Union in January93February29° · Sea 27° · 7.3 h
In February, San Fernando, La Union is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 27.1 °C – lovely and warm for swimming. The sun shines for around 7.3 hours a day. Rain falls on about 5 days, adding up to 25 mm. The air is often humid and muggy. All in all, February is an excellent month for a holiday in San Fernando, La Union.
San Fernando, La Union in February95March30° · Sea 28° · 8.0 h
In March, San Fernando, La Union is hot: daytime highs average 30 °C, and even at night it stays warm at around 23 °C. The sea averages 27.8 °C – lovely and warm for swimming. The sun shines for around 8.0 hours a day. Rain falls on about 5 days, adding up to 25 mm. On about 18 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is an excellent month for a holiday in San Fernando, La Union.
San Fernando, La Union in March90April32° · Sea 29° · 8.4 h
In April, San Fernando, La Union is hot: daytime highs average 32 °C, and even at night it stays warm at around 25 °C. The sea averages 28.9 °C – lovely and warm for swimming. The sun shines for around 8.4 hours a day. Rain falls on about 8 days, adding up to 33 mm. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is an excellent month for a holiday in San Fernando, La Union.
San Fernando, La Union in April71May31° · Sea 30° · 6.9 h
In May, San Fernando, La Union is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 30.0 °C – almost as warm as a bath. The sun shines for around 6.9 hours a day. It rains often – on about 18 days, adding up to 172 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, May is a good month for a holiday in San Fernando, La Union.
San Fernando, La Union in May70June31° · Sea 30° · 6.0 h
In June, San Fernando, La Union is hot: daytime highs average 31 °C, and even at night it stays warm at around 25 °C. The sea averages 30.1 °C – almost as warm as a bath. Expect around 6.0 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 228 mm. On about 25 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, June is a good month for a holiday in San Fernando, La Union.
San Fernando, La Union in June65July30° · Sea 30° · 4.6 h
In July, San Fernando, La Union is hot: daytime highs average 30 °C, and even at night it stays warm at around 25 °C. The sea averages 29.8 °C – almost as warm as a bath. Expect around 4.6 hours of sunshine a day. It is the rainy season: rain falls on about 27 days, totalling 456 mm. On about 16 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a good month for a holiday in San Fernando, La Union.
San Fernando, La Union in July64August29° · Sea 29° · 4.2 h
In August, San Fernando, La Union is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 29.3 °C – almost as warm as a bath. Expect around 4.2 hours of sunshine a day. It is the rainy season: rain falls on about 27 days, totalling 450 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, August is a good month for a holiday in San Fernando, La Union.
San Fernando, La Union in August66September30° · Sea 29° · 4.8 h
In September, San Fernando, La Union is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 4.8 hours of sunshine a day. It is the rainy season: rain falls on about 26 days, totalling 342 mm. On about 10 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a good month for a holiday in San Fernando, La Union.
San Fernando, La Union in September70October30° · Sea 29° · 6.0 h
In October, San Fernando, La Union is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.3 °C – almost as warm as a bath. Expect around 6.0 hours of sunshine a day. It is the rainy season: rain falls on about 19 days, totalling 234 mm. On about 14 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a good month for a holiday in San Fernando, La Union.
San Fernando, La Union in October78November30° · Sea 29° · 6.4 h
In November, San Fernando, La Union is hot: daytime highs average 30 °C, and even at night it stays warm at around 24 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 88 mm in total. On about 12 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, November is a good month for a holiday in San Fernando, La Union.
San Fernando, La Union in November80December29° · Sea 28° · 6.2 h
In December, San Fernando, La Union is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 28.3 °C – lovely and warm for swimming. Expect around 6.2 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 68 mm in total. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, December is an excellent month for a holiday in San Fernando, La Union.
San Fernando, La Union in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in San Fernando, La Union
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 31 days (dew point 18 °C or more).
The coolest nights are in January (22°), the warmest in May (25°). Nights stay tropical all year (20 °C and more), so a room with air conditioning or at least a fan pays off. It is muggy (dew point 18 °C or more) all year, on about 365 days a year.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 90 | 29° | 22° | 27.4° | 7.0 h | 6 | 27 |
| FebruaryFeb | 93 | 29° | 22° | 27.1° | 7.3 h | 5 | 25 |
| MarchMar | 95 | 30° | 23° | 27.8° | 8.0 h | 5 | 25 |
| AprilApr | 90 | 32° | 25° | 28.9° | 8.4 h | 8 | 33 |
| MayMay | 71 | 31° | 25° | 30.0° | 6.9 h | 18 | 172 |
| JuneJun | 70 | 31° | 25° | 30.1° | 6.0 h | 24 | 228 |
| JulyJul | 65 | 30° | 25° | 29.8° | 4.6 h | 27 | 456 |
| AugustAug | 64 | 29° | 24° | 29.3° | 4.2 h | 27 | 450 |
| SeptemberSep | 66 | 30° | 24° | 29.2° | 4.8 h | 26 | 342 |
| OctoberOct | 70 | 30° | 24° | 29.3° | 6.0 h | 19 | 234 |
| NovemberNov | 78 | 30° | 24° | 29.0° | 6.4 h | 14 | 88 |
| DecemberDec | 80 | 29° | 23° | 28.3° | 6.2 h | 12 | 68 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
16.62° N, 120.32° E · 9 m · Asia/Manila
Sea temperature in San Fernando, La Union
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 28.8 – 29.9 °C
Swimming season: all year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in San Fernando, La Union ranges from 27.1 °C in February to 30.1 °C in June. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea warms up slowly: it is warmest in June, while the air already peaks in April. In August the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in June, eight out of ten years were between 29.3 and 30.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 27.4° | 26.9° | 28.0° | warm |
| FebruaryFeb | 27.1° | 26.6° | 27.7° | warm |
| MarchMar | 27.8° | 27.3° | 28.3° | warm |
| AprilApr | 28.9° | 28.4° | 29.7° | warm |
| MayMay | 30.0° | 29.5° | 30.5° | very warm |
| JuneJun | 30.1° | 29.3° | 30.8° | very warm |
| JulyJul | 29.8° | 28.8° | 30.7° | very warm |
| AugustAug | 29.3° | 28.6° | 30.1° | very warm |
| SeptemberSep | 29.2° | 28.7° | 30.0° | very warm |
| OctoberOct | 29.3° | 28.8° | 29.9° | very warm |
| NovemberNov | 29.0° | 28.6° | 29.6° | very warm |
| DecemberDec | 28.3° | 27.7° | 28.7° | warm |
Sunshine hours in San Fernando, La Union
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 6.0 of 11.8 hours of daylight in San Fernando, La Union, 51 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in San Fernando, La Union: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, San Fernando, La Union has about 19 rainy days with 234 mm of rain in total.
UV index in San Fernando, La Union
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 10 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in May (UV 13).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 15 min
- Light brown skin
- about 25 min
- Olive skin
- about 30 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in San Fernando, La Union
How breezy and how cloudy San Fernando, La Union is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in San Fernando, La Union typically peaks at 16 km/h during the day: Beaufort 3, gentle breeze.
Breezy months for windsurfing and kiting
The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over San Fernando, La Union: mostly cloudy, with about 6.0 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in San Fernando, La Union
How often the day gets hot in San Fernando, La Union (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, San Fernando, La Union has about 14 hot days, with an average daytime high of 30 °C: often muggy. The air feels warmer than the thermometer says: light, airy clothes and slow days help.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to San Fernando, La Union
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
San Fernando, La Union in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
San Fernando, La Union has its best school-holiday weather during the Easter holidays (score 92) and its weakest during the summer holidays (score 64).
- 92
Easter holidays
Mar – Apr
ExcellentBest holidays
- 31 °C by day
- Sea 29 °C
- 8.3 h of sun a day
- 7 rainy days a month
Good for: Beach & swimming
- 71
May half-term
May – Jun
Good
- 31 °C by day
- Sea 30 °C
- 6.7 h of sun a day
- 19 rainy days a month
- 64
Summer holidays
Jul – Aug
Good
- 29 °C by day
- Sea 29 °C
- 4.3 h of sun a day
- 27 rainy days a month
Keep in mind: Frequent rain, Storm season
- 70
October half-term
Oct
Good
- 30 °C by day
- Sea 29 °C
- 6.0 h of sun a day
- 19 rainy days a month
Keep in mind: Frequent rain, Storm season
- 85
Christmas holidays
Dec – Jan
Excellent
- 29 °C by day
- Sea 28 °C
- 6.6 h of sun a day
- 9 rainy days a month
Good for: Beach & swimming
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 13 h 10 min
- Distance
- 10,530 km
- Time zone
- UTC+8
- Jet lag
- About 7 days (7 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
San Fernando, La Union lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January
- February
- March
- April
- May
- June: Season
- July: Season
- August: Peak
- September: Peak
- October: Peak
- November: Season
- December
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.
Compare & alternatives
San Fernando, La Union compared
Put San Fernando, La Union side by side with another destination.
San Fernando vs Baguio
In October San Fernando has the better holiday weather (score 70 vs 57). During the day Baguio is 6 °C cooler than San Fernando. Baguio gets one hour less sunshine a day.
| in October | San Fernando | Baguio |
|---|---|---|
| Holiday weather score | 70 | 57 |
| Daytime high | 30° | 24° |
| Sea | 29° | no sea nearby |
| Sunshine | 6 h | 5 h |
| Rainy days | 19 | 23 |
| Best time | Dec – Apr | Apr, Nov – Feb |
Through the year
Philippines in October: the best places
In October, San Fernando, La Union ranks 1 among the 31 nearest destinations in this country.
- San FernandoThis page30°29°70
- 2Vigan31°29°69
- 3Boac30°29°69
- 4Coron30°29°69
- 5Baler31°29°68
- 6Romblon31°29°68
- 7Puerto Galera31°29°67
- 8Boracay30°29°67
Near San Fernando, La Union
Other destinations close by.
Places with a climate like San Fernando, La Union
Destinations whose weather through the year is closest to San Fernando, La Union's – good alternatives.
Frequently asked questions about San Fernando, La Union
When is the best time to visit San Fernando, La Union?
The best time to visit San Fernando, La Union is from December to April. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in San Fernando, La Union?
The sea temperature in San Fernando, La Union ranges from 27.1 °C in February to 30.1 °C in June. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in San Fernando, La Union in October?
Yes. In October the sea averages 29.3 °C – almost as warm as a bath.
What is the warmest month in San Fernando, La Union?
April is the warmest month, with average highs of 32 °C and nights around 25 °C. January is the coolest month at 29 °C.
When does it rain most in San Fernando, La Union?
The rainy season is from June to October; the wettest month is July with 456 mm. The driest month is March with 25 mm.
How many hours of sunshine does San Fernando, La Union get?
San Fernando, La Union gets around 2,300 hours of sunshine a year. The sunniest month is April with 8.4 hours a day; in August there are 4.2 hours a day.
What time zone is San Fernando, La Union in?
San Fernando, La Union is on UTC+8 all year.
How long is the flight from London to San Fernando, La Union?
A nonstop flight from London to San Fernando, La Union takes about 13 h 10 min, for a straight-line distance of about 10,530 km. Most routes need a change of planes, which adds time.
When is typhoon season in San Fernando, La Union?
San Fernando, La Union lies in an area that Pacific typhoons can reach. The typhoon season runs from June to November, with most storms from August to October. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for San Fernando, La Union?
San Fernando, La Union has its best school-holiday weather during the Easter holidays (score 92) and its weakest during the summer holidays (score 64). Holiday ratings (0–100): Easter holidays 92, May half-term 71, summer holidays 64, October half-term 70, Christmas holidays 85.